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PICAXE-08M ELECTRIC BIKE

Powered by a "PICAXE" microcontroller chip.

So what's in it? 

1. Hall effect throttle.  (Oatley Electronics)

2. 24 VDC, 18 Amp, 500 watt, permanent magnet, brush DC motor. (Oatley Electronics) 

3. Uses #25 chain. 11 tooth drive sprocket and an 55 tooth driven sprocket. (Electric Scooter Parts U.S. web site)

4. Two 12 Volt 26Ah SLA glass mat batteries electrically in series. (Jaycar Electronics)

5. A PICAXE-08M chip using the Pulsed Width Modulation feature. The required program is only a few lines of code in "BASIC".  (Microzed Computers)

6. Main power MOSFET module.  Requires 3-32 VDC input, switches 30 VDC @ 100 Amps max. The MOSFET is driven directly from the PICAXE PWM output pin. See Below. (Jaycar Electronics, Part No. SY-4086)

7. 35 Amp bridge rectifier as a kick back or flyback diode. (Jaycar Electronics)

8. 60 Amp, 24 Volt relay.  (this relay is just something I had in my junk box)

9. 120 Amp battery isolator. (Jaycar Electronics)

10. (new) New Headlight,  Super high intensity MR16 replacement. See below. (Jaycar Electronics. Part No.ZD-0356) Bright Red LED's for the rear light.

11. Top speed.... about 40km / hr. (fast enough that I purchased a bicycle helmet)

12. Weight - 49.6 Kg.

PICAXE-08M E-bike Schematic (soon)     What it used to look like before the conversion     PICAXE-08M E-Bike Code     LINK to the PICAXE-08M Electric Scooter

THE PICAXE-08M Electric Bike

24VDC, 500 Watt DC Motor with an 11 tooth drive sprocket to a 55 tooth driven sprocket

Motor, Fuse, Batteries and PICAXE-08M Controller 

Just another view

The PICAXE-08M Electric Bike Controller with an attempt at a Dynamic Braking feature.  (this picture is not the completed controller)

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