Translations:Wiren Board 5.1: GPIO List/49/en

| 73 || 1-25|| K1 || 3.3V rail shutdown |- | 150 || 1-6 || N2 || RFM69H IRQ |- | 132 || 0-3 || U7 || RFM69H chip selection |- | 152 || 1-5 || M3 || RFM69H _DIO2 |- | 92 || 0-17 || N9 || SIM900R power FET (RESET) |- | 134 || 0-2 || R8 || SIM900R power KEY |- | 148 || 1-7 || P1 || SIM900R power status (input) |- | 37 || 2-13 || C1 || watchdog output |- | 50 || PWM3 || E9 || Buzzer |- | 80 || 3-26 || E8 || Red LED |- | 82 || 3-23 || E7 || Green LED |- | 172 || 1-11 || R2|| STAT1 (power supply) |- | 174 || 1-10 || R1 || STAT2 (power supply) |-