Electronic Timer T1
This is a very simple timer intended for F1A and F1H models. It enables to connect two servos to control stabilizer and wing. The tow hook position is monitored by two micro switches. The timer contains output for buzzer and input for radio DT.
General Features
- Controls 2 servos (stabilizer, wing).
- Adjustable by programming console Setuper 2.
- Servos are moving while the timer is being adjusted by Setuper.
- Up to 5 data sets for different conditions stored in the timer.
- Rotary DT Switch for quick selection of DT flight time.
- Input for radio DT (pull-up resistor for open collector interface).
- Output for buzzer driven by a voltage doubler (supply voltage is doubled for higher volume).
Note to Setuper 2
These days produced Timer T1 is compatible with Setuper 2. But originally, it was designed for TTL signal levels interface with Setuper 1. It has neither pull-up resistor nor NPN transistor used in Setuper 2 interface. So, previously produced Timer T1 needs a small modification to work with Setuper 2.
Timer T1 doesn't include text user interface in its memory. Therefore Setuper 2 contains text user interface for this timer.
Documents
- User manual for version 1.0 (en): T1_Manual_v1.0_r04.pdf
- User manual for version 1.0 (cz): T1_Manual_v1.0_r04_cz.pdf
- User manual for version 1.1 (en): T1_Manual_v1.1_r01.pdf
- User manual for version 1.1 (cz): T1_Manual_v1.1_r01_cz.pdf
- F1A tail section drawing: Tail_Section.pdf
Firmware Version
- Current version: 1.1
- View changelog: T1_ChangeLog.txt
Servo Disconecter Cable
This timer doesn't include MOSFET transistor to cut off servo power. It means, that after DT the servo is still powered and consumes about 8 mA (it depends on the servo type). You can use the Servo Disconnecter Cable to cancel this current.
This cable includes P-channel MOSFET transistor to disconnect positive branch of the supply voltage. Just connect it between servo and timer. After DT, the timer turn off PWM pulses, and the disconnecter cut off the positive branch.
