Gravity: Geiger Counter Module Ionizing Radiation Detector
M4011 Geiger tube module with digital pulse output, 3.3–5V supply (onboard 380–450V boost for tube). Detects nuclear radiation, X-rays, and cosmic rays; not electromagnetic radiation. Not rated for personal safety dosimetry.
Pinout
- -1
Negative power supply. DFRobot SEN0463 wiki pinout lists pin ① as “- Negative power supply”.
Type · Power - +2
Positive power supply. DFRobot SEN0463 wiki pinout lists pin ② as “+ Positive power supply”.
Type · Power - D3
Signal output. DFRobot SEN0463 wiki pinout lists pin ③ as “D signal output”; FAQ says the default signal is high level and pulses when the Geiger tube generates a signal.
Type · Signal - Signal buzzer switch4
On-board signal buzzer switch. DFRobot SEN0463 wiki pinout/switch section lists ④ as “Signal buzzer switch”.
Type · Control
| Pin | Position | Type | Function |
|---|---|---|---|
| - | 1 | Power | Negative power supply. DFRobot SEN0463 wiki pinout lists pin ① as “- Negative power supply”. |
| + | 2 | Power | Positive power supply. DFRobot SEN0463 wiki pinout lists pin ② as “+ Positive power supply”. |
| D | 3 | Signal | Signal output. DFRobot SEN0463 wiki pinout lists pin ③ as “D signal output”; FAQ says the default signal is high level and pulses when the Geiger tube generates a signal. |
| Signal buzzer switch | 4 | Control | On-board signal buzzer switch. DFRobot SEN0463 wiki pinout/switch section lists ④ as “Signal buzzer switch”. |
Pin details
4 connections- -1
Negative power supply. DFRobot SEN0463 wiki pinout lists pin ① as “- Negative power supply”.
Power - +2
Positive power supply. DFRobot SEN0463 wiki pinout lists pin ② as “+ Positive power supply”.
Power - D3
Signal output. DFRobot SEN0463 wiki pinout lists pin ③ as “D signal output”; FAQ says the default signal is high level and pulses when the Geiger tube generates a signal.
Signal - Signal buzzer switch4
On-board signal buzzer switch. DFRobot SEN0463 wiki pinout/switch section lists ④ as “Signal buzzer switch”.
Control
Start wiring
Analog · I2C · UART · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: -, +, D. Schematik maps them to your board in the app.
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