ESP32 Smart Controller – B4 (4CH Relay) Schematic
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ESP32 Smart Controller – B4 (4CH Relay) Schematic
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03-20-2026, 11:07 AM
pull-up resistors use 10k
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ESP32 Smart Controller – B4 (4CH Relay) Schematic - by Anne - 03-20-2026, 07:26 AM
RE: ESP32 Smart Controller – B4 (4CH Relay) Schematic - by admin - 03-20-2026, 08:37 AM
RE: ESP32 Smart Controller – B4 (4CH Relay) Schematic - by Anne - 03-20-2026, 10:14 AM
RE: ESP32 Smart Controller – B4 (4CH Relay) Schematic - by admin - 03-20-2026, 11:07 AM
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