Upgrading At Least One Component of a TI Calculator - Even though Texas Instruments were the first company to produce an integrated circ... - https://hackaday.com/2024/01/24/upgrading-at-least-one-component-of-a-ti-calculator/ #chargecontroller #texasinstruments #boostconverter #lithiumpolymer #batteryhacks #retrofit #battery #lipo #ti