Hello!
Okay, I lied. There is no crisis =P, but I just was hoping to get some ideas for which power source to use.
My robot is quite light, and I am using a twin Tamiya Gearbox so weight is not really an issue. But the price on the other hand, is.
I am in need of two power supplies, one for the PIC and circuitry, and the other for the motors. The motors are relatively small, requiring about .6 A per motor.
The motor driver I'm using (suggested by Mr. Hank Fletcher) is the SN754410 H-Bridge and using PWM from a 555 timer, the output is about 2.5V.
The circuitry needs 5V regulated, and the motors need nothing more than 5V themselves. I've been looking at many batteries-- it's down to NiMH, NiCad and Alkaline (rechargeable). But the first two cost so much. Just for four AA batteries (plus charger), we're looking at 30 dollars CAD. The Alkaline are the cheapest, but I'm not sure if they are any good.
Is there a way to get some other batteries and build your own charger? Or is that not worth it?
Any help would be appreciated, thank you very much!
-Omar
Okay, I lied. There is no crisis =P, but I just was hoping to get some ideas for which power source to use.
My robot is quite light, and I am using a twin Tamiya Gearbox so weight is not really an issue. But the price on the other hand, is.
I am in need of two power supplies, one for the PIC and circuitry, and the other for the motors. The motors are relatively small, requiring about .6 A per motor.
The motor driver I'm using (suggested by Mr. Hank Fletcher) is the SN754410 H-Bridge and using PWM from a 555 timer, the output is about 2.5V.
The circuitry needs 5V regulated, and the motors need nothing more than 5V themselves. I've been looking at many batteries-- it's down to NiMH, NiCad and Alkaline (rechargeable). But the first two cost so much. Just for four AA batteries (plus charger), we're looking at 30 dollars CAD. The Alkaline are the cheapest, but I'm not sure if they are any good.
Is there a way to get some other batteries and build your own charger? Or is that not worth it?
Any help would be appreciated, thank you very much!
-Omar