The BatTrainer
Working on yourself requires constant feedback. I built a setup which measures the dynamics of the bat and gives you feedback on your swing.
Devices & Components
Arduino Oplà IoT Kit
Arduino Nano 33 BLE Rev2 with headers
Pololu Mini Pushbutton Power Switch with Reverse Voltage Protection, LV
LiPo-Charger DEBO1 3.7LI 1.0A
LiPo-Battery APPLE 616-0278
USB-A to Micro-USB Cable
HC-05 Bluetooth Module
Baseball Bat
Powerbank 10000 mAh PB320PD
Hardware & Tools
Tape, Clear
10 Pc. Jumper Wire Kit, 5 cm Long
Soldering iron (generic)
Solder Wire, Lead Free
Hot glue gun (generic)
Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires
Software & Tools
Arduino IoT Cloud
Arduino IDE
Project description
Code
Downloadable files
BatSensor
Schematic of the BatSensor. Due to missing parts in the database, I used a generic Adafruit Pushbutton and the Powerboost 500 as LiPo Charger. The working principle remains the same. The Charger is used to supply the Nano 33 BLE with power and to charge the battery, the push-button circuit cuts the connection to save some energy. The Bluetooth module is connected to the Serial1 Pin, since the HC-05 and the Nano operate at 3,3 V no Voltage dividers should be required.
BatSensor
BatStation
Just the MKR Wifi 1010 and the HC-05 Module, but you cant screw up the header connection to the carrier board
BatStation
BatStation
Just the MKR Wifi 1010 and the HC-05 Module, but you cant screw up the header connection to the carrier board
BatStation
BatSensor
Schematic of the BatSensor. Due to missing parts in the database, I used a generic Adafruit Pushbutton and the Powerboost 500 as LiPo Charger. The working principle remains the same. The Charger is used to supply the Nano 33 BLE with power and to charge the battery, the push-button circuit cuts the connection to save some energy. The Bluetooth module is connected to the Serial1 Pin, since the HC-05 and the Nano operate at 3,3 V no Voltage dividers should be required.
BatSensor
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