pic_therm

PIC16F877A and BME280 thermometer
git clone git://git.margiolis.net/pic_therm.git
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pic.sch-bak (9809B)


      1 EESchema Schematic File Version 4
      2 EELAYER 30 0
      3 EELAYER END
      4 $Descr A4 11693 8268
      5 encoding utf-8
      6 Sheet 1 1
      7 Title ""
      8 Date ""
      9 Rev ""
     10 Comp ""
     11 Comment1 ""
     12 Comment2 ""
     13 Comment3 ""
     14 Comment4 ""
     15 $EndDescr
     16 $Comp
     17 L Device:R_US R1
     18 U 1 1 61EA1FDB
     19 P 5300 3000
     20 F 0 "R1" H 5368 3046 50  0000 L CNN
     21 F 1 "10kΩ" H 5368 2955 50  0000 L CNN
     22 F 2 "" V 5340 2990 50  0001 C CNN
     23 F 3 "~" H 5300 3000 50  0001 C CNN
     24 	1    5300 3000
     25 	0    -1   -1   0   
     26 $EndComp
     27 $Comp
     28 L power:GNDREF GND
     29 U 1 1 61EB279A
     30 P 5450 2150
     31 F 0 "GND" H 5538 2113 50  0000 L CNN
     32 F 1 "GNDREF" H 5455 1977 50  0001 C CNN
     33 F 2 "" H 5450 2150 50  0001 C CNN
     34 F 3 "" H 5450 2150 50  0001 C CNN
     35 	1    5450 2150
     36 	-1   0    0    1   
     37 $EndComp
     38 $Comp
     39 L Device:R_US R2
     40 U 1 1 61ECA8DC
     41 P 4100 5950
     42 F 0 "R2" H 4168 5996 50  0000 L CNN
     43 F 1 "330Ω" H 4168 5905 50  0000 L CNN
     44 F 2 "" V 4140 5940 50  0001 C CNN
     45 F 3 "~" H 4100 5950 50  0001 C CNN
     46 	1    4100 5950
     47 	1    0    0    -1  
     48 $EndComp
     49 $Comp
     50 L MCU_Microchip_PIC16:PIC16F877A-IP PIC16F877A-IP1
     51 U 1 1 61E8B28E
     52 P 6550 4100
     53 F 0 "PIC16F877A-IP1" H 6550 5589 50  0000 C CNN
     54 F 1 "PIC16F877A-IP" H 6550 5590 50  0001 C CNN
     55 F 2 "" H 6550 4100 50  0001 C CIN
     56 F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/39582b.pdf" H 6550 4100 50  0001 C CNN
     57 	1    6550 4100
     58 	1    0    0    -1  
     59 $EndComp
     60 $Comp
     61 L Simulation_SPICE:VDC V1
     62 U 1 1 61F2BB51
     63 P 6000 1550
     64 F 0 "V1" H 6130 1596 50  0001 L CNN
     65 F 1 "5V" H 5870 1550 50  0000 R CNN
     66 F 2 "" H 6000 1550 50  0001 C CNN
     67 F 3 "~" H 6000 1550 50  0001 C CNN
     68 F 4 "Y" H 6000 1550 50  0001 L CNN "Spice_Netlist_Enabled"
     69 F 5 "V" H 6000 1550 50  0001 L CNN "Spice_Primitive"
     70 F 6 "dc(1)" H 6130 1459 50  0001 L CNN "Spice_Model"
     71 	1    6000 1550
     72 	-1   0    0    1   
     73 $EndComp
     74 $Comp
     75 L power:GNDREF GND
     76 U 1 1 61F5552B
     77 P 6550 6300
     78 F 0 "GND" H 6638 6263 50  0000 L CNN
     79 F 1 "GNDREF" H 6555 6127 50  0001 C CNN
     80 F 2 "" H 6550 6300 50  0001 C CNN
     81 F 3 "" H 6550 6300 50  0001 C CNN
     82 	1    6550 6300
     83 	1    0    0    -1  
     84 $EndComp
     85 Wire Wire Line
     86 	5450 3000 5650 3000
     87 Wire Wire Line
     88 	6000 2450 6550 2450
     89 Wire Wire Line
     90 	6550 2450 6550 2700
     91 Wire Wire Line
     92 	5150 3000 4900 3000
     93 $Comp
     94 L Switch:SW_Push RSTB1
     95 U 1 1 61FC0519
     96 P 5150 2500
     97 F 0 "RSTB1" H 5150 2693 50  0000 C CNN
     98 F 1 "SW_Push" H 5150 2694 50  0001 C CNN
     99 F 2 "" H 5150 2700 50  0001 C CNN
    100 F 3 "~" H 5150 2700 50  0001 C CNN
    101 	1    5150 2500
    102 	1    0    0    -1  
    103 $EndComp
    104 Wire Wire Line
    105 	4900 2500 4950 2500
    106 Wire Wire Line
    107 	4900 2500 4900 2650
    108 Wire Wire Line
    109 	5450 2150 5450 2500
    110 Wire Wire Line
    111 	4900 2650 5850 2650
    112 Wire Wire Line
    113 	5850 2650 5850 2450
    114 Wire Wire Line
    115 	5850 2450 6000 2450
    116 Connection ~ 4900 2650
    117 Wire Wire Line
    118 	4900 2650 4900 3000
    119 Connection ~ 6000 2450
    120 Wire Wire Line
    121 	6650 2450 6550 2450
    122 Connection ~ 6550 2450
    123 $Comp
    124 L Sensor:BME280 BME280
    125 U 1 1 61E953D6
    126 P 8750 2600
    127 F 0 "BME280" H 8321 2646 50  0000 R CNN
    128 F 1 "BME280" H 8321 2555 50  0001 R CNN
    129 F 2 "Package_LGA:Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering" H 10250 2150 50  0001 C CNN
    130 F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME280-DS002.pdf" H 8750 2400 50  0001 C CNN
    131 	1    8750 2600
    132 	-1   0    0    -1  
    133 $EndComp
    134 Wire Wire Line
    135 	6650 2700 6650 2450
    136 $Comp
    137 L Display_Character:NHD-0420H1Z LCD
    138 U 1 1 61E937A6
    139 P 4400 5200
    140 F 0 "LCD" V 4400 4356 50  0000 R CNN
    141 F 1 "NHD-0420H1Z" H 4400 4220 50  0001 C CNN
    142 F 2 "Display:NHD-0420H1Z" H 4400 4300 50  0001 C CNN
    143 F 3 "http://www.newhavendisplay.com/specs/NHD-0420H1Z-FSW-GBW-33V3.pdf" H 4500 5100 50  0001 C CNN
    144 	1    4400 5200
    145 	0    1    1    0   
    146 $EndComp
    147 Wire Wire Line
    148 	3600 5200 3550 5200
    149 Wire Wire Line
    150 	4100 5600 4100 5800
    151 Wire Wire Line
    152 	4100 6250 4100 6100
    153 Connection ~ 6000 1950
    154 Wire Wire Line
    155 	6000 1950 6000 2450
    156 Wire Wire Line
    157 	6550 5600 6550 5700
    158 Connection ~ 6550 5700
    159 Wire Wire Line
    160 	5200 5200 5300 5200
    161 Connection ~ 4100 6250
    162 Wire Wire Line
    163 	4200 5600 4200 5700
    164 Wire Wire Line
    165 	4200 5700 5050 5700
    166 Wire Wire Line
    167 	4100 6250 5050 6250
    168 Connection ~ 5050 5700
    169 Wire Wire Line
    170 	5050 5700 6550 5700
    171 Connection ~ 5050 6250
    172 Wire Wire Line
    173 	5050 6250 5300 6250
    174 Wire Wire Line
    175 	3550 6150 6550 6150
    176 Wire Wire Line
    177 	3550 5200 3550 6150
    178 Connection ~ 6550 6150
    179 Wire Wire Line
    180 	6550 6150 6550 6300
    181 Wire Wire Line
    182 	6000 1750 6000 1950
    183 Wire Wire Line
    184 	6550 5700 6550 6150
    185 Wire Wire Line
    186 	6650 5600 6650 5700
    187 Wire Wire Line
    188 	6650 5700 6550 5700
    189 Wire Wire Line
    190 	8650 6150 6550 6150
    191 Wire Wire Line
    192 	8650 1950 6000 1950
    193 Wire Wire Line
    194 	7450 4900 7550 4900
    195 Wire Wire Line
    196 	7550 4900 7550 2500
    197 Wire Wire Line
    198 	7550 2500 8150 2500
    199 Wire Wire Line
    200 	7450 5000 7650 5000
    201 Wire Wire Line
    202 	7650 5000 7650 2700
    203 Wire Wire Line
    204 	7650 2700 8150 2700
    205 Wire Wire Line
    206 	7450 5100 7750 5100
    207 Wire Wire Line
    208 	7750 5100 7750 2300
    209 Wire Wire Line
    210 	7750 2300 8150 2300
    211 Wire Wire Line
    212 	8650 3200 8650 3350
    213 $Comp
    214 L Device:LED LED1
    215 U 1 1 61E8F822
    216 P 8400 3950
    217 F 0 "LED1" H 8393 4075 50  0000 C CNN
    218 F 1 "LED" H 8393 4076 50  0001 C CNN
    219 F 2 "" H 8400 3950 50  0001 C CNN
    220 F 3 "~" H 8400 3950 50  0001 C CNN
    221 	1    8400 3950
    222 	-1   0    0    1   
    223 $EndComp
    224 $Comp
    225 L Device:R_US R3
    226 U 1 1 61F053CB
    227 P 8000 3950
    228 F 0 "R3" H 8068 3996 50  0000 L CNN
    229 F 1 "330Ω" H 8068 3905 50  0000 L CNN
    230 F 2 "" V 8040 3940 50  0001 C CNN
    231 F 3 "~" H 8000 3950 50  0001 C CNN
    232 	1    8000 3950
    233 	0    -1   -1   0   
    234 $EndComp
    235 Wire Wire Line
    236 	8650 2000 8650 1950
    237 $Comp
    238 L Switch:SW_Push BTN1
    239 U 1 1 620E2C06
    240 P 8050 3550
    241 F 0 "BTN1" H 8050 3743 50  0000 C CNN
    242 F 1 "SW_Push" H 8050 3744 50  0001 C CNN
    243 F 2 "" H 8050 3750 50  0001 C CNN
    244 F 3 "~" H 8050 3750 50  0001 C CNN
    245 	1    8050 3550
    246 	1    0    0    -1  
    247 $EndComp
    248 Wire Wire Line
    249 	3400 1950 3400 6250
    250 Wire Wire Line
    251 	5450 2500 5350 2500
    252 $Comp
    253 L Device:C_Small C1
    254 U 1 1 61E97CC0
    255 P 4200 2650
    256 F 0 "C1" H 4292 2696 50  0000 L CNN
    257 F 1 "22pF" H 4292 2605 50  0000 L CNN
    258 F 2 "" H 4200 2650 50  0001 C CNN
    259 F 3 "~" H 4200 2650 50  0001 C CNN
    260 	1    4200 2650
    261 	1    0    0    1   
    262 $EndComp
    263 $Comp
    264 L Device:C_Small C2
    265 U 1 1 61ECA409
    266 P 4200 3350
    267 F 0 "C2" H 4292 3396 50  0000 L CNN
    268 F 1 "22pF" H 4292 3305 50  0000 L CNN
    269 F 2 "" H 4200 3350 50  0001 C CNN
    270 F 3 "~" H 4200 3350 50  0001 C CNN
    271 	1    4200 3350
    272 	-1   0    0    1   
    273 $EndComp
    274 $Comp
    275 L Device:Crystal OSC1
    276 U 1 1 61EB43E4
    277 P 4200 3000
    278 F 0 "OSC1" H 4200 3268 50  0000 C CNN
    279 F 1 "16MHz" H 4200 3177 50  0000 C CNN
    280 F 2 "" H 4200 3000 50  0001 C CNN
    281 F 3 "~" H 4200 3000 50  0001 C CNN
    282 	1    4200 3000
    283 	0    -1   -1   0   
    284 $EndComp
    285 $Comp
    286 L power:GNDREF GND
    287 U 1 1 61EE8AF0
    288 P 3800 3000
    289 F 0 "GND" H 3888 2963 50  0000 L CNN
    290 F 1 "GNDREF" H 3805 2827 50  0001 C CNN
    291 F 2 "" H 3800 3000 50  0001 C CNN
    292 F 3 "" H 3800 3000 50  0001 C CNN
    293 	1    3800 3000
    294 	0    1    1    0   
    295 $EndComp
    296 Wire Wire Line
    297 	3800 3000 3850 3000
    298 Wire Wire Line
    299 	3850 3000 3850 2500
    300 Wire Wire Line
    301 	3850 2500 4200 2500
    302 Wire Wire Line
    303 	4200 2500 4200 2550
    304 Wire Wire Line
    305 	4200 3450 4200 3500
    306 Wire Wire Line
    307 	4200 3500 3850 3500
    308 Wire Wire Line
    309 	3850 3500 3850 3000
    310 Connection ~ 3850 3000
    311 Wire Wire Line
    312 	4200 3150 4200 3250
    313 Wire Wire Line
    314 	4200 2850 4200 2750
    315 Wire Wire Line
    316 	3400 1950 6000 1950
    317 Wire Wire Line
    318 	3400 6250 4100 6250
    319 Wire Wire Line
    320 	5300 6250 5300 5200
    321 Wire Wire Line
    322 	8850 3200 8850 3350
    323 Wire Wire Line
    324 	8850 3350 8650 3350
    325 Connection ~ 8650 3350
    326 Wire Wire Line
    327 	8850 2000 8850 1950
    328 Wire Wire Line
    329 	8850 1950 8650 1950
    330 Connection ~ 8650 1950
    331 Wire Wire Line
    332 	5050 6100 5050 6250
    333 Wire Wire Line
    334 	5200 5950 5200 5300
    335 Wire Wire Line
    336 	5050 5800 5050 5700
    337 $Comp
    338 L Device:R_POT_US POT1
    339 U 1 1 6208C3F4
    340 P 5050 5950
    341 F 0 "POT1" H 4983 5996 50  0000 R CNN
    342 F 1 "10kΩ" H 4983 5905 50  0000 R CNN
    343 F 2 "" H 5050 5950 50  0001 C CNN
    344 F 3 "~" H 5050 5950 50  0001 C CNN
    345 	1    5050 5950
    346 	1    0    0    -1  
    347 $EndComp
    348 Wire Wire Line
    349 	4200 3250 4650 3250
    350 Wire Wire Line
    351 	4650 3250 4650 3500
    352 Wire Wire Line
    353 	4650 3500 5650 3500
    354 Connection ~ 4200 3250
    355 Wire Wire Line
    356 	4200 2750 4750 2750
    357 Wire Wire Line
    358 	4750 2750 4750 3300
    359 Wire Wire Line
    360 	4750 3300 5650 3300
    361 Connection ~ 4200 2750
    362 Wire Wire Line
    363 	7450 3700 7850 3700
    364 Wire Wire Line
    365 	7850 3700 7850 3550
    366 Wire Wire Line
    367 	8650 3350 8650 3550
    368 Connection ~ 8650 3550
    369 Wire Wire Line
    370 	8650 3550 8650 3950
    371 Wire Wire Line
    372 	7450 3800 7850 3800
    373 Wire Wire Line
    374 	7850 3800 7850 3950
    375 Wire Wire Line
    376 	8550 3950 8650 3950
    377 Connection ~ 8650 3950
    378 Wire Wire Line
    379 	8650 3950 8650 6150
    380 Wire Wire Line
    381 	8600 3550 8650 3550
    382 $Comp
    383 L Device:R_US R4
    384 U 1 1 62134942
    385 P 8450 3550
    386 F 0 "R4" H 8518 3596 50  0000 L CNN
    387 F 1 "10kΩ" H 8518 3505 50  0000 L CNN
    388 F 2 "" V 8490 3540 50  0001 C CNN
    389 F 3 "~" H 8450 3550 50  0001 C CNN
    390 	1    8450 3550
    391 	0    -1   -1   0   
    392 $EndComp
    393 Wire Wire Line
    394 	8150 3950 8250 3950
    395 Wire Wire Line
    396 	8250 3550 8300 3550
    397 Wire Wire Line
    398 	4500 4800 4500 3700
    399 Wire Wire Line
    400 	4500 3700 5650 3700
    401 Wire Wire Line
    402 	4400 4800 4400 3800
    403 Wire Wire Line
    404 	4400 3800 5650 3800
    405 Wire Wire Line
    406 	4300 4800 4300 3900
    407 Wire Wire Line
    408 	4300 3900 5650 3900
    409 Wire Wire Line
    410 	4200 4800 4200 4000
    411 Wire Wire Line
    412 	4200 4000 5650 4000
    413 Wire Wire Line
    414 	4100 4800 4100 4100
    415 Wire Wire Line
    416 	4100 4100 5650 4100
    417 Wire Wire Line
    418 	4000 4800 4000 4200
    419 Wire Wire Line
    420 	4000 4200 5650 4200
    421 Wire Wire Line
    422 	3900 4800 3900 4300
    423 Wire Wire Line
    424 	3900 4300 5650 4300
    425 Wire Wire Line
    426 	3800 4800 3800 4400
    427 Wire Wire Line
    428 	3800 4400 5650 4400
    429 Wire Wire Line
    430 	5000 4800 5000 4750
    431 Wire Wire Line
    432 	5000 4750 5400 4750
    433 Wire Wire Line
    434 	5400 4750 5400 6000
    435 Wire Wire Line
    436 	5400 6000 8050 6000
    437 Wire Wire Line
    438 	8050 6000 8050 4600
    439 Wire Wire Line
    440 	8050 4600 7450 4600
    441 Wire Wire Line
    442 	4900 4800 4900 4650
    443 Wire Wire Line
    444 	4900 4650 5500 4650
    445 Wire Wire Line
    446 	5500 4650 5500 5900
    447 Wire Wire Line
    448 	5500 5900 7950 5900
    449 Wire Wire Line
    450 	7950 5900 7950 4700
    451 Wire Wire Line
    452 	7950 4700 7450 4700
    453 Wire Wire Line
    454 	4800 4800 4800 4550
    455 Wire Wire Line
    456 	4800 4550 5600 4550
    457 Wire Wire Line
    458 	5600 4550 5600 5800
    459 Wire Wire Line
    460 	5600 5800 7850 5800
    461 Wire Wire Line
    462 	7850 5800 7850 4800
    463 Wire Wire Line
    464 	7850 4800 7450 4800
    465 Entry Bus Bus
    466 	2200 2000 2300 2100
    467 Entry Bus Bus
    468 	2200 2000 2300 2100
    469 Entry Bus Bus
    470 	2200 2000 2300 2100
    471 Entry Bus Bus
    472 	2200 2000 2300 2100
    473 $EndSCHEMATC