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".
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
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 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)
The New Head Light
ZD-0356 MR16 LED
Downlight 300 Lumen White
Rated voltage: 6 - 24V
LED life: 40,000
Main Scooter Transistor