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UtilitechAS.amsreader-firmware/hardware/wemos_mbus_shield
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Gunnar Skjold 0093410e05 Removed kicad backup
2023-02-10 18:57:50 +01:00
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kicad
Removed kicad backup
2023-02-10 18:57:50 +01:00
img1.jpg
Shared Wemos MBUS shield
2022-07-17 20:17:39 +02:00
img2.jpg
Shared Wemos MBUS shield
2022-07-17 20:17:39 +02:00
README.md
Create README.md
2022-07-17 20:34:51 +02:00

README.md

Wemos shield

Fits D1 mini and S2 mini.

WARNING Not properly tested

Resistors

  • R1: 470 (for U1)
  • R2: 220 (for U1)
  • R3: 82k (for U1)
  • R4: 220 (for U1)
  • R5: 100k (for U1)
  • R6: 10k (for AP button)
  • R7: 4.7k (for DS18B20)
  • R8-R10: 1k (for RGB LED)

Capacitors

  • C1: 100n (for U1)
  • C2: 1u (for U1)
  • C3: 100n (for U1)

Other components

  • U1: TSS521 or TSS721
  • U2: DS18B20 (Digital temperature sensor)
  • D1: RGB LED
  • J1: RJ45
  • SW1: AP button (to D3 GPIO0)

Jumper

  • JP1 & JP4: Jump these to receive power (5V) via RJ45 on pin 7 (GND) and 8 (+5)
  • JP2 & JP3: Jump these to attach DS18B20 sensors via RJ45 on pin 4 (Data) and pin 5 (GND)