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Teddy Ruxpin Wiring

Hi Folks I am a new member, a retired clergyman going back to my earlier vocation in electronics. I have had a lot of fun with Arduino and was intrigued by the current Make magazine article on Teddy Ruxpin and Chip. Unfortunately Chip will not ship until June. So I thought I would look at doing it with Photon. I found a pristine Ruxpin of the non...

I2c In C# Not Reading Values

I have mpu-6050 6dof imu. I want to read the value of who_am_i register with register number 0x75. The register returns address 0x68. But I am getting 255. The device address is 0x68 as well. Code is as follows: byte[] ret = ezB_Connect1.EZB.I2C.Read(I2C.ReadArgsEnum.Auto,0x75,1); here is the register description for the device:RM-MPU-6000A.pdf I...

For Richard

Richard, I don't know how you do it. But you always get this right. Here is my setup: Left TriggerA = D13 Left Triger B = D12 Right Trigger A = D10 Right Trigger B =D11 With this setup, When I hit Forward, it goes Right. When I hit Reverse, it goes Left. When I hit Left, it goes Reverse. When I hit Right, it goes Left. Help!

Robotic Base Modification For Laundry Cart

I solved my quest for a cool looking platform base which was a requirement from my wife. Just ordered this two wheeled self-balancing scooter to modify for a laundry / grocery cart. $425 with shipping. https://www.amazon.com/Wheels-Balancing-Electric-Scooter-Unicycle/dp/B00YSCCET6/ref=cm_cr_pr_product_top?&ie=UTF8 I plan to add a triangular...

Need 3D Model Of Micro Servo With Metal Gears

I need 3D model of micro servo with metal gears like the ones that came with the humanoid robot. I want to 3D-print dummy micro servos. I don't have the real micro servos. Also, I have problems 3D-printing some robot parts that require supports. Removing the supports leave rough surfaces on robot parts. I don't have the correct filament for...

Jd Robot Ankle Calibration

The ankles are a little off when set at 90 degrees. How do I manually calibrate the ankle servos? The foot is tilted slightly and it's not balancing properly. Calibrating this servo is not in tutorial.