SPICE Low Power Manual Spice Low Power a new generation of LED calculator repair kit for HP-31E, HP-32E, HP-33E, HP-33C, HP-34C, HP-37E, HP-38E, HP-38C calculators Copyright (c) PANAMATIK Bernhard Emese , October 2020, Rev. 1.03 page 1 SPICE Low Power Manual Contents Introduction..........................................................................................................................................5 Contributions .......................................................................................................................................6 The “SPICE Low Power” repair kit.....................................................................................................7 Installing the SLP circuit......................................................................................................................9 Solderless Version.......................................................................................................................9 LED display.....................................................................................................................11 Soldered Version.......................................................................................................................13 Assembling................................................................................................................................16 Beeper.......................................................................................................................................19 IR Diode....................................................................................................................................20 Ready!.......................................................................................................................................21 ON/OFF switch.........................................................................................................................22 Charger......................................................................................................................................22 Features...............................................................................................................................................24 Differences between “new ACT” and “SPICE LP”...........................................................................24 1.) Power Up Keys....................................................................................................................24 2.) Sleep Mode..........................................................................................................................24 3.) HP Calculator.......................................................................................................................24 4.) External/Internal ROM........................................................................................................25 5.) Slow/Fast Speed...................................................................................................................25 6.) Continuous memory.............................................................................................................25 7.) Original mode......................................................................................................................25 8.) Stopwatch............................................................................................................................25 9.) ROM Code...........................................................................................................................25 10.) Program Library.................................................................................................................26 11.) GPS ...................................................................................................................................26 What's totally new?.............................................................................................................................26 1.) Real Time Clock..................................................................................................................26 2.) Show program step mnemonics...........................................................................................26 3.) Ticker Text...........................................................................................................................26 4.) Show Battery Voltage..........................................................................................................26 5.) Show Temperature...............................................................................................................27 6.) Beeper..................................................................................................................................27 9.) Program Directory...............................................................................................................27 10.) PC Communication............................................................................................................27 11.) Many calculators in one.....................................................................................................27 Functions............................................................................................................................................28 1.) Show Revision and Serial Number......................................................................................28 2.) Show Flags...........................................................................................................................28 3.) Show HP Calculator.............................................................................................................28 4.) Show Free memory..............................................................................................................29 5.) Program directory................................................................................................................29 6.) Show program checksum.....................................................................................................30 7.) Show available Memory/ Register and Program usage.......................................................31 8.) Operating time and battery time..........................................................................................32 9.) Flash write Cycles................................................................................................................32 10.) LED Test............................................................................................................................32 page 2 SPICE Low Power Manual 11.) Ticker Text entry................................................................................................................33 Flags...................................................................................................................................................34 Application Programs.........................................................................................................................36 HP-33E/C..................................................................................................................................36 HP-33E/C Applications...................................................................................................36 HP-33E Mathematics Applications..................................................................................37 HP-33E Statistics Applications........................................................................................38 HP-33E Student Engineering Applications.....................................................................39 HP-33E Surveying Applications......................................................................................40 HP-34C......................................................................................................................................41 HP-34C Applications.......................................................................................................41 HP-34C Mathematics Applications.................................................................................42 HP-34C Statistics Applications.......................................................................................42 HP-34C Surveying Applications.....................................................................................43 HP-34C Student Engeneering Applications.....................................................................43 Real Time Clock.................................................................................................................................44 1.) Date......................................................................................................................................44 2.) Time.....................................................................................................................................44 3.) Alarm...................................................................................................................................45 4.) Weekday...............................................................................................................................45 5.) Stopwatch............................................................................................................................46 Start/Stop/Reset...............................................................................................................46