Use 74LS194 (shift register), 74LS138 (3-8 decoder), 74LS20 (NAND gate), 74LS74 (D flip-flop). Design an accumulator. How should I design it? I can't figure it out no matter how hard I try. Especially
First, set the initialization parameters and working parameters of the module and send the following AT commands to the module: 1) AT+CGCLASS="B" to set it to "B" mode 2) AT+CGDCONT=1, "IP"; "CMNET" t
I have been reading this part these days, mainly referring to the robot book I bought and Qin Yongyuan's Inertial Navigation, an old book that can be called a classic. The robot book briefly mentioned