RAM module build - part 1

Part 1 of building the RAM module for the 8-bit computer. Support me on Patreon: https://www.patreon.com/beneater You can get all the components used in this video from any online electronic components distributor for a few dollars. See https://eater.net/bbcpu8-ram for more. Complete parts list (everything in the RAM module): - 2x 74LS189 (64-bit random access memory) - 2x 74LS04 (Hex inverter) - 1x 74LS173 (4-bit D-type register) - 4x 74LS157 (Quad 2-to-1 line data selector) - 1x 74LS245 (Octal bus transceiver) - 1x 74LS00 (Quad NAND gate) - 14x LEDs (9 red, 4 yellow, 1 green) - 3x 1KΩ resistors - 1x 0.01µF capacitor - 22 gauge wire - 5 volt power source (e.g., a USB phone charger)