E20+ is a lightweight (1.4g) RDT and timer solution, providing both DT and brushed 4A motor outputs. It features JST 1.25mm connectors for battery input and output, allowing for solderless installation—or you can desolder them for a more compact setup.
An onboard radio receiver is integrated and compatible with the BMK B1 transmitter. Each B1 transmitter has a unique code and can be bound to an unlimited number of E20+ receivers.
📄 Download Manual
Includes wiring guidance, setup instructions, and feature details.
E20+ is designed for use with coreless motors and 1S LiPo batteries.
BMK E20+ with JST 1.25mm connectors
🔋 Compatible Batteries & Chargers
📦 Package Contents
- Timer circuit board (E20+)
⚠️ Notice:
The DT Delay (Abad+) function is included on units shipped after 18 September 2023. This allows delaying DT using the BMK SkyLink 434MHz hand unit.
📋 Features
| Max. Motor Timer Duration | : 60 seconds (120 blinks @ 0.5s) |
| Motor Timer Steps | : 0.5s / 0.2s configurable |
| Max. DT Timer Duration | : 1200 seconds (20 minutes) |
| DT Timer Steps | : 10-second increments |
| Activation Method | : Press button for 2 seconds to arm; release to start |
| Cancel Method | : Click the onboard button |
| Override | : Click the B1 transmitter button |
| Frequency | : 434 MHz |
| Input Sensitivity | : -116 dBm |
| Range | : ~2750 m (open field), ~500–800 m with B1 |
| Input Voltage | : 3–6V (1S LiPo) |
| Power Consumption | : ~10 mA while receiving |
| Low Battery Warning | : <3.0V (double LED flash) |
| Dimensions | : 28 mm × 12.5 mm × 5 mm |
| Weight | : <1.5 g |
▶️ Demo Video
🛠️ Troubleshooting
-
Can I use an external button?
Solder a pushbutton between the external button pads. -
The transmitter LED blinks rapidly.
This indicates a low battery. Replace the CR2032 with a high-quality one. -
The transmitter isn’t working.
Check the battery or replace it if necessary.